Added the ability to select varieties when viewing the list of products.

Added the ability to select varieties when viewing the list of products. The function is available for sites with paid hosting.

Added the ability to select varieties when viewing the list of products.

Added the ability to charge Bonuses / Cashback to the client's balance for registration.
New Feature: Split product block into two parts (when viewing product list)
Added import of products from XML/YML via link.